Part A Determine the magnitude and direction of the force between two parallel w

Question

Part A

Determine the magnitude and direction of the force between two parallel wires 20 m long and 5.0 cm apart, each carrying 20 A in the same direction.

The wires will not interact.

Part B

Determine the magnitude of the force between two parallel wires.

Express your answer to two significant figures and include the appropriate units.

F= ____ N

The wires will not interact.

Part B

Determine the magnitude of the force between two parallel wires.

Express your answer to two significant figures and include the appropriate units.

F= ____ N

Explanation / Answer

part A)

length of wire , L = 20 m

d = 0.05 m

current , I = 20 A

as the current in the same direction , hence , the force will be attractive

part B)

force between wires , F = u0*I1*I2*L/(2*pi*d)

F = u0(20 * 20)*20/(2*pi*0.05)

F = 0.032 N

the force between the wires is 0.032 N

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